(colloquial) One who supports liberation for some group.

plural of test drive

(organic chemistry) Describing the name of an organic compound that has two parts, the first describing the alkyl, aryl or derived group, and the second describing the functional group: e.g. methyl...

(transitive) To hold in the hand. / (transitive, figuratively) To watch or attend unnecessarily closely (as if holding a child's hand to lead it along).